Ministry of Earth Sciences
Thunderstorm with lightning & gusty winds very likely at isolated places over Haryana, Chandigarh & Delhi
Heavy Rainfall at isolated places likely over Assam, Meghalaya, Coastal & South Interior Karnataka, Kerala & Mahe on 3rd June
Heat Wave conditions very likely in isolated pockets over West Rajasthan on 30th, May
According to the National Weather Forecasting Centre of the India Meteorological Department :
All India Weather Warning Bulletin 

30 May : ♦ Thunderstorm with lightning & gusty winds  very likely at isolated places over Haryana, Chandigarh & Delhi; with lightning & gusty winds  at isolated places over Uttarakhand, north Punjab, East Rajasthan, Bihar, Jharkhand, West Bengal & Sikkim, Odisha, Andaman & Nicobar Islands, Madhya Maharashtra, Marathwada, Konkan & Goa, Telangana and Kerala & Mahe
and with lightning at isolated places over Himachal Pradesh, Madhya Pradesh, Vidarbha, Chhattisgarh, Arunachal Pradesh, Assam & Meghalaya, Nagaland, Manipur, Mizoram & Tripura, Coastal Andhra Pradesh & Yanam, Rayalaseema, Karnataka, Tamil Nadu, Puducherry & Karaikal and Lakshadweep.
- Thunderstorm/Duststorm with lightning & gusty winds  very likely at isolated places over West Rajasthan.
- Heat Wave conditions very likely in isolated pockets over West Rajasthan.
- Heavy Rainfall at isolated places very likely over Bihar, Sub-Himalayan West Bengal & Sikkim, Assam & Meghalaya and Kerala & Mahe.
- Squally Weather  very likely over Eastcentral & Southwest Arabian Sea,
Comorin area and Southeast
Arabian Sea off Kerala coast. Fishermen are advised not to venture into these areas.
31 May : ♦ Thunderstorm with lightning & gusty winds  very likely at isolated places over Punjab and Haryana, Chandigarh & Delhi; with lightning & gusty winds  at isolated places over Uttarakhand, Uttar Pradesh, East Rajasthan, Bihar, Jharkhand,
West Bengal & Sikkim, Madhya Maharashtra, Marathwada, Konkan & Goa, Telangana and Kerala & Mahe
and with lightning at isolated places over Himachal Pradesh, East Madhya Pradesh, Vidarbha, Chhattisgarh, Odisha, Andaman & Nicobar Islands, Arunachal Pradesh, Assam & Meghalaya, Nagaland, Manipur, Mizoram & Tripura, Coastal Andhra Pradesh & Yanam, Rayalaseema, Karnataka,
Tamil Nadu, Puducherry & Karaikal and Lakshadweep.
- Thunderstorm/Duststorm with lightning & gusty winds  very likely
at isolated places over West Rajasthan.
- Heavy to Very Heavy Rainfall at isolated places very likely over Assam & Meghalaya and
Heavy Rainfall at isolated places over Sub-Himalayan
West Bengal & Sikkim, Arunachal Pradesh and Kerala & Mahe.
- Squally Weather  very likely over Eastcentral, Northwest, Southwest Arabian Sea, Comorin area and Southeast
Arabian Sea off Kerala coast. Fishermen are advised not to venture into these areas.
01 June : ♦ Thunderstorm with lightning & gusty winds  very likely at isolated places over Punjab and Haryana, Chandigarh & Delhi; with lightning & gusty winds  at isolated places over Uttarakhand, Uttar Pradesh, East Rajasthan, Jharkhand, Sub-Himalayan West Bengal & Sikkim, Madhya Maharashtra, Marathwada, Telangana and Kerala & Mahe and with lightning at isolated places over Himachal Pradesh, East Madhya Pradesh, Chhattisgarh, Bihar, Gangetic West Bengal, Odisha, Arunachal Pradesh, Assam & Meghalaya, Nagaland, Manipur, Mizoram & Tripura, Coastal Andhra Pradesh & Yanam, Rayalaseema, Karnataka,
Tamil Nadu, Puducherry & Karaikal and Lakshadweep.
- Thunderstorm/Duststorm with lightning & gusty winds  very likely at isolated places over West Rajasthan.
- Heavy to Very Heavy Rainfall at isolated places very likely over Assam & Meghalaya and Heavy Rainfall
at isolated places over Uttarakhand, Sub- Himalayan West Bengal & Sikkim, Arunachal Pradesh,
Nagaland, Manipur, Mizoram & Tripura, Coastal Karnataka and Kerala & Mahe.
- Squally Weather  very likely over Northwest & Southwest Arabian Sea. Fishermen are advised not to venture into these areas.
02 June : ♦Thunderstorm with lightning & gusty winds  likely at isolated places over Uttar Pradesh, East Rajasthan, Jharkhand, Gangetic West Bengal, Telangana and Kerala & Mahe and with lightning at isolated places over Himachal Pradesh, Uttarakhand, Madhya Pradesh, Chhattisgarh, Sub-Himalayan West Bengal & Sikkim, Odisha, Assam & Meghalaya, Madhya Maharashtra, Marathwada, Coastal Andhra Pradesh & Yanam, Rayalaseema, Karnataka, Tamil Nadu, Puducherry & Karaikal and Lakshadweep.
- Thunderstorm/Duststorm with lightning & gusty winds  likely at isolated places over West Rajasthan.
- Heavy Rainfall at isolated places likely over Assam & Meghalaya, Coastal & South Interior Karnataka and Kerala & Mahe.
Squally Weather  likely over Northwest & Southwest Arabian Sea. Fishermen are advised not to venture into these areas.
03 June : ♦ Thunderstorm with lightning & gusty wind  likely at isolated places over East Rajasthan, Jharkhand, Telangana and Kerala & Mahe and with lightning at isolated places over Madhya Pradesh,
Vidarbha, Chhattisgarh, Gangetic West Bengal, Odisha, Andaman & Nicobar Islands, Madhya Maharashtra,
Marathwada, Coastal Andhra Pradesh & Yanam, Rayalaseema, Karnataka, Tamil Nadu, Puducherry & Karaikal and Lakshadweep.
- Thunderstorm/Duststorm with lightning & gusty winds  likely at isolated places over West Rajasthan.
- Heavy Rainfall at isolated places likely over Assam & Meghalaya, Coastal & South Interior Karnataka and Kerala & Mahe.
- Squally Weather  likely over Northwest & Southwest Arabian Sea. Fishermen are advised not to venture into these areas.